Home / 127,543.28-191,318.06-60,990.44

Finding the Fourth Proportional to 127,543.28, 191,318.06 and 60,990.44

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Solution

The fourth proportional to 127,543.28, 191,318.06 and 60,990.44 is: 91,487.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,543.28 : 191,318.06 = 60,990.44 : x
  2. Step 2: Convert to fraction form
    127,543.28/191,318.06 = 60,990.44/x
  3. Step 3: Cross multiply
    127,543.28x = 191,318.06 × 60,990.44
  4. Step 4: Simplify right side
    127,543.28x = 11,668,571,855.23
  5. Step 5: Solve for x
    x = 11,668,571,855.23/127,543.28
  6. Step 6: Final answer
    x = 91,487.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.